. >> both candidates are in ohio tonight trying to sway undecided voters. the president rallied young voters at ohio state working to hang on the edge he had for weeks. but mitt romney's post-debate popularity bounce has him back in the game in the key swing state. he is spending most of the week in ohio. he told iowa voters what he thinks of the president's economic policies and added his defense of sesame street. >> took office 32 million people on food statutes. now there are 47 million people on food stamps. these are tough times with real serious issues. so you have to scratch your head when the president spends the last week talking about saving big bird. >> ohio could be a make-or- break prize come november. voters there have picked the winner in each of the last 12 presidential elections. and no republican has ever won the white house without it. >>> drivers, some good news. they may still be the nation's highest gas prices but the average price of regular gas jumped less than half cent at 4.74 in san francisco, $4.68 in oakland and $4.67 in san jos